City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Brunswick,
MD Frederick Co. United States |
Potomac View Parkway / Volunteer Drive (39.33145, -77.63483) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.1808 |
Other (At-Grade) Single-Lane |
2010 | ICD estimated from Google Maps linework. |
Baltimore,
MD Baltimore City Co. United States |
Old Frederick Road / Maple Wood Road (39.29094, -76.69283) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.8815 |
Other (At-Grade) Single-Lane |
2013 | 4th leg not built yet - for future development ICD estimated from Google Maps linework. |
Baltimore,
MD Baltimore City Co. United States |
Wilkens Ave / Mount St / Ramsey St (39.28325, -76.64332) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 31.4310 |
Other (At-Grade) Single-Lane |
2001 | Completed prior to 2002 ICD estimated from Google Maps linework. |
Baltimore,
MD Baltimore City Co. United States |
Canterbury Rd. / W 39th St. (39.33569, -76.62047) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 16.6275 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2013 | ICD estimated from Google Maps linework. |
Elkridge,
MD Howard Co. United States |
Elkridge Crossing Way / Doctor Patel Dr. (39.21091, -76.72512) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.4634 |
Other (At-Grade) Single-Lane |
2007 | East leg stubbed for future. ICD estimated from Google Maps linework. |
Essex,
MD Baltimore Co. United States |
Southeast Blvd. (MD 702) / Hyde Park Rd. (39.29884, -76.43951) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.6663 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | Built as temporary installation, then converted to permanent design. ICD estimated from Google Maps linework. |
Owings Mills,
MD Baltimore Co. United States |
Tollgate Rd. / Lastgage Rd. (39.42149, -76.78482) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.6010 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Sykesville,
MD Carroll Co. United States |
Smithfield Ave. / Warfield Ave. (39.37673, -76.96410) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.0835 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2007 | Elliptical shape. ICD estimated from Google Maps linework. |
Bowie,
MD Prince George's Co. United States |
Melford Blvd. / Science Dr. (38.96089, -76.71320) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.6480 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | Concentric striping in circulatory roadway. ICD estimated from Google Maps linework. |
Bowie,
MD Prince George's Co. United States |
Melford Blvd. / Curie Dr. (38.95842, -76.70683) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 78.9406 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Abingdon,
MD Harford Co. United States |
Merchants Blvd. / Wegmans Blvd. (39.46815, -76.30901) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.5039 |
Other (At-Grade) Single-Lane |
2012 | ICD estimated from Google Maps linework. |
Laurel,
MD Howard Co. United States |
Whiskey Bottom Rd. / All Saints Rd. (39.12478, -76.84257) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.9428 |
Other (At-Grade) Single-Lane |
2007 | ICD estimated from Google Maps linework. |
Laurel,
MD Howard Co. United States |
Stephens Rd. / Whiskey Bottom Rd. (39.12704, -76.84608) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.6480 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
Gambrills,
MD Anne Arundel Co. United States |
2498 Mt Tabor Rd (38.99855, -76.66414) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 22.2765 |
Other (At-Grade) Single-Lane |
2007 | ICD estimated from Google Maps linework. |
Greenbelt,
MD Prince George's Co. United States |
Cherrywood Ln. / Greenbelt Metro Dr. (39.00985, -76.90330) |
Roundabout Existing |
All-Way Yield Other |
3 Approaches 0 Driveways 24.1290 |
Other (At-Grade) Single-Lane |
2012 | Raised crosswalks. ICD estimated from Google Maps linework. |
Havre de Grace,
MD Harford Co. United States |
Chapel Rd. / Bulle Rock Pkwy. (39.55465, -76.12813) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.9922 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
Havre de Grace,
MD Harford Co. United States |
Blenheim Farm Ln. / Bounding Home Ct. (39.54665, -76.13521) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.3915 |
Other (At-Grade) Single-Lane |
2006 | Painted splitter islands on north and south legs, no splitter islands on east and west legs. ICD estimated from Google Maps linework. |
North East,
MD Cecil Co. United States |
Charlestown Crossing Blvd. / Claiborne Rd. (39.59472, -75.97957) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.6095 |
Other (At-Grade) Single-Lane |
2011 | ICD estimated from Google Maps linework. |
Dundalk,
MD Baltimore Co. United States |
Dundalk Ave. / Sollers Point Rd. (39.24534, -76.50786) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.9734 |
Other (At-Grade) Single-Lane |
2007 | ICD estimated from Google Maps linework. |
North East,
MD Cecil Co. United States |
Seahawk Dr. / (parking lot) (39.64098, -75.95714) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 28.5107 |
Other (At-Grade) Single-Lane |
2000 | Year Completed estimated (1995-2005). ICD estimated from Google Maps linework. |
Hampstead,
MD Carroll Co. United States |
MD 30 (Hampstead Bypass) / Business MD 30 (Hanover Pike) (39.58178, -76.84261) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 56.1498 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | ICD estimated from Google Maps linework. |
Hampstead,
MD Carroll Co. United States |
MD 30 (Hampstead Bypass) / MD 482 (Hampstead Mexico Rd.) (39.61108, -76.86457) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.3657 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | ICD estimated from Google Maps linework. |
Hampstead,
MD Carroll Co. United States |
MD-30 (Hampstead Bypass) / Business MD 30 (Hanover Pike) (39.63466, -76.86675) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 49.6684 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2009 | ICD estimated from Google Maps linework. |
Windsor Mill,
MD Baltimore Co. United States |
Lord Baltimore Dr. / Wildlife Dr. (39.31993, -76.75019) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 14.7833 |
Other (At-Grade) Single-Lane |
1998 | Year Completed estimated (1993-2002). ICD estimated from Google Maps linework. |
Windsor Mill,
MD Baltimore Co. United States |
Lord Baltimore Dr. / Glen Spring Rd. / Kettle Ct. (39.31750, -76.75152) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 17.5558 |
Other (At-Grade) Single-Lane |
1998 | Year Completed estimated (1993-2002). ICD estimated from Google Maps linework. |
Queenstown,
MD Queen Anne's Co. United States |
Nesbit Rd. / Shoreway Dr. (38.96600, -76.18291) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2011 | Fourth leg stubbed. |
Cumberland,
MD Allegany Co. United States |
US 220 / I-68 EB Ramps (39.64367, -78.79099) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.0276 |
Freeway Ramps (Grade-Separated) Single-Lane |
2012 | Built to facilitate U-turns. Teardrop shape. ICD estimated from Google Maps linework. |
Chestertown,
MD Kent Co. United States |
MD 20 / MD 291 / (parking lot) (39.21863, -76.07913) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.1899 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Oxon Hill,
MD Prince George's Co. United States |
Oxon Hill Rd. / (parking lots) (38.79166, -77.00416) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.0650 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Oxon Hill,
MD Prince George's Co. United States |
Oxen Hill Rd. / Cedar Ridge Dr. / Panorama Dr. (38.78452, -77.00597) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.4465 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Fort Washington,
MD Prince George's Co. United States |
Oxon Hill Rd. / Kerby Hill Rd. (38.77951, -77.00648) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.4490 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Jessup,
MD Anne Arundel Co. United States |
National Business Pkwy. / Brock Bridge Rd. (39.14025, -76.76395) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.4636 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2013 | ICD estimated from Google Maps linework. |
Hanover,
MD Anne Arundel Co. United States |
Watts Ave. / Clark Rd. (39.15138, -76.72638) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 25.9330 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Hanover,
MD Anne Arundel Co. United States |
Ridge Rd. / Corporate Center Dr. (39.19204, -76.70216) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.4719 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Catonsville,
MD Baltimore Co. United States |
UMBC Blvd. / Research Park Dr. (39.24874, -76.71580) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.3950 |
Other (At-Grade) Single-Lane |
2015 | Elliptical shape. ICD estimated from Google Maps linework. |
Catonsville,
MD Baltimore Co. United States |
Hilltop Cir. / UMBC Blvd. (39.25178, -76.71442) |
Rotary Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.1156 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2015 | Lane changes needed for some through movements. ICD estimated from Google Maps linework. |
Bel Air,
MD Harford Co. United States |
Tollgate Rd. / Macphail Rd. (39.51959, -76.35208) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.8120 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2012 | |
Friendship,
MD Anne Arundel Co. United States |
Solomons Island Rd. (MD 2) / Friendship Rd. (MD 261) / Sansbury Rd. (38.73656, -76.59379) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.0594 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Laurel,
MD Howard Co. United States |
Old Scaggsville Rd. / High Ridge Rd. / Running Deer Dr. (39.11815, -76.86396) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.7985 |
Other (At-Grade) Single-Lane |
2015 | ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Harpers Farm Rd. / Campus Dr. (39.21534, -76.88023) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.4614 |
Other (At-Grade) Single-Lane |
2003 | Originally had 4 legs. ICD estimated from Google Maps linework. |
Ellicott City,
MD Howard Co. United States |
College Ave. / Bending Sky Way (39.25754, -76.79122) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 26.8186 |
Other (At-Grade) Single-Lane |
2012 | ICD estimated from Google Maps linework. |
Aberdeen,
MD Harford Co. United States |
Philadelphia Rd. (MD 7) / Ashford Dr.. / Panell Dr. (39.48593, -76.23873) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.4792 |
Other (At-Grade) Single-Lane |
2012 | ICD estimated from Google Maps linework. |
Aberdeen,
MD Harford Co. United States |
Tralee Cir. / Ashford Dr. (39.48395, -76.23831) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.8100 |
Other (At-Grade) Single-Lane |
2003 | ICD estimated from Google Maps linework. |
Aberdeen,
MD Harford Co. United States |
Burnt Hill Trl. / Atlas Cedar Way / Thistle Hill Dr. (39.49324, -76.22236) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.1799 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Aberdeen,
MD Harford Co. United States |
Burnt HIll Trl. / Witch Hazel Way / Limestone Ct. (39.49486, -76.22046) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.1791 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Aberdeen,
MD Harford Co. United States |
Thistle Hill Dr. / Witchhazel Way (39.49563, -76.22415) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.3355 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Aberdeen,
MD Harford Co. United States |
Burnt Hill Trl. / Holly Oak Cir. / Woods Line Dr. (39.49605, -76.21740) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.8055 |
Other (At-Grade) Single-Lane |
2007 | ICD estimated from Google Maps linework. |
Konterra,
MD Prince George's Co. United States |
Bentley Park Dr. / Parkgate Dr. (39.09112, -76.91733) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2015 | |
Perry Hall,
MD Baltimore Co. United States |
E Joppa Rd. / Scott Moore Way / Cowenton Ave. (39.40290, -76.44124) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2008 | Right-turn bypass lane on west leg. |
Hagerstown,
MD Washington Co. United States |
Hagers Crossing Dr. / Bartow Dr. / Sedgwick Way (39.65981, -77.75932) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2003 | Year Completed estimated (1999-2005). |
Robinwood,
MD Washington Co. United States |
Yale Dr. / Medical Campus Rd. / Caring Pathway Ln. (39.62594, -77.68707) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2016 | Right-turn bypass lane on southwest leg. |
Linganore,
MD Frederick Co. United States |
Boyers Mill Rd. / Eaglehead Dr. (39.41912, -77.30650) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2018 | |
Ballenger Creek,
MD Frederick Co. United States |
Jefferson Technology Pkwy. / Jefferson Station Blvd. (39.39223, -77.45291) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2014 | Year Completed estimated (2013-2015). |
Ballenger Creek,
MD Frederick Co. United States |
Holiday Dr. / Spectrum Dr. (39.38178, -77.40206) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.1960 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | Left turn lane trap in circulatory roadway. |
Bel Air North,
MD Harford Co. United States |
Red Pump Rd. / Yankee Doodle Dr. (39.54551, -76.37994) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2010 | |
Bel Air South,
MD Harford Co. United States |
Woodsdale Rd. / Box Hill Corporate Center Dr. / (parking) (39.46498, -76.31016) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2014 | Year Completed estimated (2013-2015). |
Chester,
MD Queen Anne's Co. United States |
Castle Marina Rd. / Bayberry Dr. (38.98086, -76.28905) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2019 | Year Completed estimated (2018-2019). |
Severna Park,
MD Anne Arundel Co. United States |
East West Blvd. / Jumpers Hole Rd. / Adler Ct. (39.10765, -76.58306) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 65.5320 |
Other (At-Grade) Single-Lane |
1998 | Elliptical shape. ICD 225 ft x 200 ft. Year Completed estimated (1994-2002). |
Millersville,
MD Anne Arundel Co. United States |
Brightview Dr. / Galiot Dr. / Tremont Dr. (39.11196, -76.62028) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2008 | |
Hanover,
MD Anne Arundel Co. United States |
Parkside Blvd. / Fredericksburg Rd. / Cornfield Ave. (39.13140, -76.75125) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2015 | |
Gaithersburg,
MD Montgomery Co. United States |
Washingtonian Blvd. / Rio Blvd. (39.11678, -77.20122) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | Year Completed estimated (1993-2002). |
Gaithersburg,
MD Montgomery Co. United States |
Washingtonian Blvd. / Washington Blvd. (39.11773, -77.20314) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | Year Completed estimated (1993-2002). |
Severn,
MD Anne Arundel Co. United States |
Milestone Pkwy. / (unknown) (39.14341, -76.75076) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2012 | Year Completed estimated (2011-2014). |
Severn,
MD Anne Arundel Co. United States |
Milestone Pkwy. / Clubhouse Dr. (39.14600, -76.74775) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2012 | Year Completed estimated (2011-2014). |
Severn,
MD Anne Arundel Co. United States |
Milestone Pkwy. / Split Creek Ln. / (parking) (39.15042, -76.74668) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2007 | |
Darnestown,
MD Montgomery Co. United States |
Schaeffer Rd. / Germantown Park Dr. / Central Park Cir. (39.15003, -77.30152) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2004 | Right-turn-only lane on northeast leg. Year Completed estimated (2002-2005). |
Jessup,
MD Anne Arundel Co. United States |
Montevideo Rd. / Forest Ave. / Wigley Ave. (39.15966, -76.75916) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2007 | Year Completed estimated (2006-2007). |
Columbia,
MD Howard Co. United States |
Owen Brown Rd. / Martin Rd. (39.19989, -76.86930) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2004 | Year Completed estimated (2002-2005). |
Columbia,
MD Howard Co. United States |
Oakland Mills Rd. / MD 175 SB Ramps / (unknown) (39.21308, -76.83456) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.5760 |
Freeway Ramps (Grade-Separated) Single-Lane |
2017 | Year Completed estimated (2016-2017). |
Columbia,
MD Howard Co. United States |
Oakland Mills Rd. / Old Montgomery Rd. (39.20788, -76.83157) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2017 | |
Clarksville,
MD Howard Co. United States |
Linden Church Rd. / MD 32 NB Ramps (39.22942, -76.97263) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Freeway Ramps (Grade-Separated) Single-Lane |
2013 | Year Completed estimated (2011-2014). |
Clarksville,
MD Howard Co. United States |
Highland Rd. / Triadelphia Mill Rd. (39.21551, -76.97698) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2008 | |
West Friendship,
MD Howard Co. United States |
Castlebridge Rd. / Hunter's View Rd. (39.24552, -76.90189) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2006 | |
West Friendship,
MD Howard Co. United States |
Folly Quarter Rd. / Sheppard Ln. / Homewood Rd. (39.24979, -76.93188) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2004 | Year Completed estimated (2002-2005). |
Glenelg,
MD Howard Co. United States |
Pfefferkorn Rd. / Fox Stream Way / Old Rover Rd. (39.29067, -76.99226) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2005 | Year Completed estimated (2004-2005). |
Cooksville,
MD Howard Co. United States |
Long Corner Rd. / Penn Shop Rd. (39.33938, -77.15284) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2005 | Year Completed estimated (1988-2005). |
Camp Springs,
MD Prince George's Co. United States |
Capital Gateway Dr. / Auth Rd. / Old Soper Rd. (38.82403, -76.91189) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Unstriped circulatory roadway. Year Completed estimated (1995-2001). |
College Park,
MD Prince George's Co. United States |
Campus Dr. / Mowatt Ln. / Valley Dr. (Alumni Dr.) (38.98482, -76.94890) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0037 |
Other (At-Grade) Single-Lane |
2004 | Striped splitter island on north and east legs. Year Completed estimated (2002-2005). |
Parole,
MD Anne Arundel Co. United States |
Housley Rd. / Gateway Village Dr. / Annapolis Ridge Rd. (38.98793, -76.55715) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Right-turn-only lanes on north and south legs. Year Completed estimated (1998-2002). Converted from unstriped two-lane roundabout in 2008-2009. |
Summerfield,
MD Prince George's Co. United States |
Saint Josephs Dr. / Grove Hurst Ln. (38.91969, -76.84060) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2012 | |
Summerfield,
MD Prince George's Co. United States |
Ruby Lockhart Blvd. / Taj Ln. (38.92163, -76.84438) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2011 | |
Glenarden,
MD Prince George's Co. United States |
Ruby Lockhart Blvd. / Campus Way (38.92345, -76.84696) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2011 | |
Glenarden,
MD Prince George's Co. United States |
Ruby Lockhart Blvd. / Evarts St. / Sir Michael Pl. (38.92506, -76.84953) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2011 | Double left-turn and double right-turn movements. |
Summerfield,
MD Prince George's Co. United States |
Campus Way / Geaton Park Pl. (38.92577, -76.84451) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2011 | |
Beltsville,
MD Prince George's Co. United States |
Sellman Rd. / Woodbine Rd. (39.03418, -76.93680) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2008 | Intersection relocated south of previous TWSC intersection. |
Calverton,
MD Montgomery Co. United States |
Fairland Rd. / Brahms Ave. / (parking) (39.07126, -76.95403) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2008 | |
Calverton,
MD Montgomery Co. United States |
Fairland Rd. / Marlow Farm Terr. / Musgrove Rd. (39.07004, -76.95264) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2008 | |
Calverton,
MD Montgomery Co. United States |
Fairland Rd. / Galway Dr. (39.06594, -76.94436) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2008 | |
Salisbury,
MD Wicomico Co. United States |
Camden Ave. / Riverside Dr. / Mill St. / W Carroll St. (38.36401, -75.60403) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2020 | One leg is a one-way street away from roundabout. http://www.wboc.com/clip/15110757/roundabout-on-riverside-drive-open-to-traffic |
Hagerstown,
MD Washington Co. United States |
Terps Blvd. / Hoosier Ct. / Nittany Lion Cir. (39.67069, -77.73987) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2010 | Year Completed estimated (2009-2011). |
Bel Air North,
MD Harford Co. United States |
Water Tower Way / Bynum Rd. (39.56671, -76.35712) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Single-Lane |
2019 | http://harfordcountymd.gov/ArchiveCenter/ViewFile/Item/1683 |
Hagerstown,
MD Washington Co. United States |
Robinwood Dr. / Academic Blvd. / Youngstoun Dr. (39.62804, -77.66541) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2015 | https://www.heraldmailmedia.com/news/local/robinwood-drive-to-reopen-next-month-but-roundabout-questioned/article_95edc272-8319-5f1a-a05d-cfb62ada2f8f.html |
California,
MD St. Mary's Co. United States |
Amber Dr. (FDR Blvd.) / Athlone Dr. / Meath Rd. (38.28865, -76.49920) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2016 | Year Completed estimated (2013-2019). |
California,
MD St. Mary's Co. United States |
FDR Blvd. / Kinnegad Dr. / Castletown Way (38.28887, -76.50263) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2016 | Year Completed estimated (2013-2019). |
California,
MD St. Mary's Co. United States |
FDR Blvd. / Old Rolling Rd. (38.29057, -76.51176) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2018 | Year Completed estimated (2015-2020). |
Odenton,
MD Anne Arundel Co. United States |
Piney Station Way / Black Oak Way / Barred Owl Way (39.05532, -76.70351) |
Other Existing |
Uncontrolled Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
||
Odenton,
MD Anne Arundel Co. United States |
Strawberry Lake Way / Field Farm Way / Found Artifact Ct. (39.05052, -76.70858) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Oval shaped. Mix of stop and yield control. | |
Crofton,
MD Anne Arundel Co. United States |
Cardinal Crest Dr. / Hallwood Ct. / Dalewood Ct. / Thornbury Ct. (38.99364, -76.67343) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Mix of stop and uncontrolled; no splitter islands. | |
Polychrome Historic District,
MD Prince George's Co. United States |
IKEA Center Blvd. / Milestone Way (39.02224, -76.92650) |
Other Existing |
Other Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Mix of yield-controlled and uncontrolled entries. | |
Dulaney Forest,
MD Baltimore Co. United States |
E Ridgely Rd. / Margate Rd. (39.43199, -76.60754) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.8120 |
Other (At-Grade) Single-Lane |
2013 | No raised splitter islands on side street. Year Completed estimated (2012-2014). |